1. CloudSat! On 28 th April the first spaceborne cloud radar was launched It joins Aqua: MODIS, CERES, AIRS, AMSU radiometers

2. One orbit: Tuesday last week Start of orbitEnd of orbit Greenland ice sheet Antarctic ice sheet 30 km of uncalibrated 94-GHz radar reflectivity factor Clouds!

3. June 13 th (Tuesday last week)

4. 14.30 UTC June 13 th (Tuesday last week) Melting ice MODIS RGB composite CloudSat reflectivity factor Cirrus Altocumulus: mixed-phase? Optically thick ice cloud

5. 13.10 UTC June 18 th Scotland England Lake district Isle of Wight France MODIS RGB composite

6. Scotland England Lake district Isle of Wight France MODIS Infrared window 13.10 UTC June 18 th (Sunday)

7. Scotland England Lake district Isle of Wight France Met Office rain radar network 13.10 UTC June 18 th (Sunday)

8. CloudSat was 10 km from Chilbolton at 13.07 UTC Chilbolton 94-GHz radar Chilbolton lidar England Isle of Wight

9. Tropical convection: oceanic and orographic Papua New Guinea

10. Anvil cirrus

11. Complex cloud systems

12. Links CloudSat quicklooks: http://cloudsat.cira.colostate.edu/http://cloudsat.cira.colostate.edu/ MODIS quicklooks: http://modis-atmos.gsfc.nasa.gov/http://modis-atmos.gsfc.nasa.gov/ CloudSat work at Reading Julien Delanoe, Robin Hogan (multi-sensor retrievals) Lee Smith, Anthony Illingworth (stratocumulus retrievals) Nicky Chalmers, Robin Hogan (cloud radiative effects)